MIT11_481Js09_lec21

MIT11_481Js09_lec21 - MIT OpenCourseWare http/ocw.mit.edu...

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MIT OpenCourseWare http://ocw.mit.edu 11.481J / 1.284J / ESD.192J Analyzing and Accounting for Regional Economic Growth Spring 2009 For information about citing these materials or our Terms of Use, visit: http://ocw.mit.edu/terms .
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1. Shift-Share Analysis ("Mix-Share") An analysis tool to measure change in regional economic structure: The change in regional employment can be viewed as the net of three effects, which are: • National Share (share of employment growth), NS, in industry i NS i e i t-1 (E t /E t-1 ) where: e refers to regional employment, E refers to national employment, i refers to industry i, and t and t-1 refer to beginning and ending time periods (If no subscript, then figure is the total)
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• Industry Mix (share of employment growth), IM, in industry I IM i e i t-1 (E i t /E i t-1 -E t /E t-1 ) • Regional Shift (differential growth rate, region minus national), RS in industry i RS i e i t-1 (e i t /e i t-1 -E i t /E i t-1 ) These three effects can be generalized as:
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This note was uploaded on 12/06/2011 for the course ESD 11.481j taught by Professor Karenr.polenske during the Spring '09 term at MIT.

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MIT11_481Js09_lec21 - MIT OpenCourseWare http/ocw.mit.edu...

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